OFFSET
2,4
LINKS
Peter Adams, Roger B. Eggleton, and James A. MacDougall, Taxonomy of Graphs of Order 10, Congressus Numerantium, 180 (2006), 65.
Peter Adams, Roger B. Eggleton, and James A. MacDougall, Taxonomy of Graphs of Order 10, Web page.
PROG
(Sage)
def max_graphs(n):
if n > 1:
count = defaultdict(int)
sequences = [tuple(graph.degree_sequence()) for graph in graphs(n) if graph and not 0 in graph.degree_sequence()]
for seq in sequences:
count[seq] += 1
max_cnt = max(count.values())
else:
return None
return max_cnt
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Sharat Chandra, Jun 04 2019
STATUS
approved